elasticsearch（4）- 安装的常见报错

es的常见报错

1. failed to obtain node locks
   绑定节点失败，停止之前elastic的进程
   ps -ef|grep elastic

2. Exception in thread "main" java.nio.file.AccessDeniedException
   缺少权限，需要给文件夹赋予权限
   chown -R elsearch:elsearch elasticsearch/

3. ERROR: bootstrap checks failed

vi /etc/security/limits.conf 

添加如下内容:

* soft nofile 65536

* hard nofile 131072

* soft nproc 2048

* hard nproc 4096

4. Generating a random key for xpack.reporting.encryptionKey.

# 在kibana.yml下添加这两行
xpack.reporting.encryptionKey: "a_random_string"
xpack.security.encryptionKey: "something_at_least_32_characters"

5. Filebeat ：Non-zero metrics in the last 30s

image.png

6. seccomp unavailable

elasticsearch.yml 文件末尾加上bootstrap.system_call_filter: false